CN108267919A - A kind of laser light-source device - Google Patents
A kind of laser light-source device Download PDFInfo
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- CN108267919A CN108267919A CN201810047805.XA CN201810047805A CN108267919A CN 108267919 A CN108267919 A CN 108267919A CN 201810047805 A CN201810047805 A CN 201810047805A CN 108267919 A CN108267919 A CN 108267919A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Abstract
The embodiment of the invention discloses a kind of laser light-source devices.The laser light-source device includes laser array, fluorescent wheel and light collecting device；Wherein：The fluorescent wheel receives the laser beam incident of the laser array transmitting, including the fluorescent powder area being located on reflection substrate and laser light scattering area；Wherein：The fluorescent powder area, for sending out fluorescence under the excitation of incident laser and reflecting away；The laser light scattering area, for being scattered and reflecting away to incident laser；The light collecting device projects for receiving to mix after the fluorescence and laser that the fluorescent wheel reflects.In the present solution, realize the miniaturization of laser light-source device.
Description
The application is that the Chinese invention of entitled " a kind of laser light-source device " proposed on February 26th, 2016 is special
The divisional application of profit application 201610108241.7.
Technical field
The present invention relates to laser light source technical field more particularly to a kind of laser light-source devices.
Background technology
At present, the application of laser light source is more and more extensive, such as projecting apparatus, in this applications, it is desirable that different face
The light source of the Laser synthesizing of color.But the cost of the laser light source of certain colors is higher, in order to reduce cost, in laser light source
Fluorescent powder has been used, fluorescence is sent out using LASER Excited Fluorescence powder.
A kind of existing laser light-source device is described below.
Fig. 1 shows a kind of laser light-source device of the prior art, which includes：Laser 11, is located at
Convergent lens group 12 on 11 light direction of laser, positioned at 12 light direction of convergent lens group and with light direction into 45 degree of angles
Closing light unit 13（Such as dichroscope）, positioned at the fluorescent wheel 14 of 13 light direction of closing light unit, respectively positioned at fluorescent wheel 14 just
First collimation lens set 15 at face and the back side, the second collimation lens set 16, positioned at 13 side of closing light unit and perpendicular to laser
Filter wheel 17 on 11 light direction, the convergent lens 18 between filter wheel 17 and closing light unit 13, positioned at fluorescent wheel
Relaying circuit 19 around 14.
Wherein, the relaying circuit 19 shown in Fig. 1 by diffusion sheet, multiple speculums and convex lens group into.
Wherein, laser 11 is used to emit laser.
Wherein, fluorescent wheel 14 is reflective fluorescent wheel, has mirror-surface aluminum base board, can be to fluorescent powder under the excitation of laser
The fluorescence of generation is reflected so that fluorescence is emitted from fluorescent wheel front, and the collimation Jing Guo the first collimation lens set 15 becomes
Closing light unit 13 is incident on after approximately parallel light beam.Fluorescent wheel 14 further includes laser transmission area, the laser that laser 11 is sent out
It is emitted from the back side of fluorescent wheel 14, and by relaying circuit 19, is ultimately incident upon at closing light unit 13, it is defeated to carry out closing light with fluorescence
Go out, light beam passes through convergent lens 18, is finally incident to filter wheel 17 and carries out colour filter.
It is respectively arranged in above-mentioned laser light-source device of the prior art and carries out corresponding collimation for fluorescence and laser
With convergence, light path converting component（Such as above-mentioned relaying circuit）Etc., complicated, size is larger.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of laser light-source device, is answered for solving existing laser light source structure
It is miscellaneous, larger-size problem.
The purpose of the embodiment of the present invention is achieved through the following technical solutions：
A kind of laser light-source device, including laser array, fluorescent wheel and light collecting device；Wherein：
The fluorescent wheel receives the laser beam incident of the laser array transmitting, including the fluorescent powder being located on reflection substrate
Area and laser light scattering area；Wherein：The fluorescent powder area, for sending out fluorescence under the excitation of incident laser and reflecting away；Institute
Laser light scattering area is stated, for being scattered and reflecting away to incident laser；
The light collecting device projects for receiving to mix after the fluorescence and laser that the fluorescent wheel reflects.
Preferably, the light collecting device includes light harvesting component and even smooth component；Wherein：
The light harvesting component, for collecting the laser and fluorescence that the fluorescent wheel projects；
The even smooth component, laser and fluorescence for the light harvesting component to be collected project after mixing.
Preferably, the light harvesting component is the reflecting curved surface with loophole；Wherein, the loophole of the reflecting curved surface,
For through the laser for being incident to fluorescent wheel.
Preferably, the reflecting curved surface is ellipsoid reflecting surface；
The even smooth component and the fluorescent wheel are located in two focuses of the ellipsoid reflecting surface respectively.
Preferably, the even smooth component is light cone or optical wand.
Preferably, the laser light scattering area is provided with the grain coating to laser light scattering.
Preferably, further include filter wheel；
The filter wheel, including fluorescence filter area and laser transmission area；Wherein, the fluorescence filter area is used to fill the light harvesting
The fluorescence for putting injection filters；The laser transmission area is used for the laser projected through the light collecting device.
Preferably, the fluorescent wheel and filter wheel coaxial arrangement.
Preferably, the color of laser is blue；
The fluorescent powder area includes green emitting phosphor area, Ju Se fluorescent powders area and yellow fluorescent powder area；Alternatively, the fluorescent powder area
Including green emitting phosphor area and Ju Se fluorescent powders area.
Preferably, the color of laser includes blue and red；
The fluorescent powder area includes green emitting phosphor area and yellow fluorescent powder area；Alternatively, the fluorescent powder area includes green fluorescence
Powder area.
The embodiment of the present invention has the beneficial effect that：
In laser light-source device provided in an embodiment of the present invention, include laser array, fluorescent wheel and light collecting device, wherein,
The laser light incident of laser array transmitting is swashed to fluorescent wheel in the incident laser and fluorescent wheel that are received due to fluorescent wheel in incidence
The fluorescence sent out under the excitation of light, which is all reflected, to be come, that is to say, that fluorescence and laser are projected along the front of fluorescent wheel, in this way
Using same light collecting device can directly will from fluorescent wheel reflect project fluorescence and laser collect, with it is above-mentioned in the prior art
Corresponding collimation is carried out with laser for fluorescence respectively and convergence, the design of light path converting component are compared, simplify laser light source
Structure is conducive to the reduction of overall dimensions, you can realizes the miniaturization of laser light-source device.In addition, by being set on fluorescent wheel
Laser light scattering area is put, volume scattering can be carried out before to laser reflection, so as to change the regularity of distribution of laser, from Gaussian point
Cloth（Light energy Relatively centralized）Become the distribution of lambert's body（Light energy is relatively uniform）, degree of coherence is reduced, laser can be improved
Dissipation spot effect.
Description of the drawings
Fig. 1 is a kind of laser light source structure diagram of the prior art；
Fig. 2 is a kind of one of structure diagram of laser light-source device provided in an embodiment of the present invention；
Fig. 3 is a kind of one of planar structure schematic diagram of fluorescent wheel provided in an embodiment of the present invention；
Fig. 4 is a kind of second structural representation of laser light-source device provided in an embodiment of the present invention；
Fig. 5 is a kind of third structural representation of laser light-source device provided in an embodiment of the present invention；
Fig. 6 a are the two of a kind of planar structure schematic diagram of fluorescent wheel provided in an embodiment of the present invention；
Fig. 6 b are the three of a kind of planar structure schematic diagram of fluorescent wheel provided in an embodiment of the present invention；
Fig. 7 a are the four of a kind of planar structure schematic diagram of fluorescent wheel provided in an embodiment of the present invention；
Fig. 7 b are the five of a kind of planar structure schematic diagram of fluorescent wheel provided in an embodiment of the present invention；
Fig. 8 is the four of a kind of structure diagram of laser light-source device provided in an embodiment of the present invention；
Fig. 9 is the five of a kind of structure diagram of laser light-source device provided in an embodiment of the present invention；
Figure 10 is a kind of planar structure schematic diagram of filter wheel provided in an embodiment of the present invention；
Figure 11 is the six of a kind of structure diagram of laser light-source device provided in an embodiment of the present invention；
Planar structure schematic diagram when Figure 12 is a kind of fluorescent wheel provided in an embodiment of the present invention and filter wheel coaxial arrangement；
Figure 13 is planar structure schematic diagram when another fluorescent wheel and filter wheel provided in an embodiment of the present invention are coaxially disposed.
Specific embodiment
Complicated in order to solve existing laser light source, larger-size problem realizes the small-sized of laser light-source device
Change, an embodiment of the present invention provides a kind of laser light-source device, including laser array, fluorescent wheel and light collecting device；Wherein：It is glimmering
Halo receives the laser beam incident of laser array transmitting, including the fluorescent powder area being located on reflection substrate and laser light scattering area；
Wherein：Fluorescent powder area, for sending out fluorescence under the excitation of incident laser and reflecting away；Laser light scattering area, for incidence
Laser is scattered and reflects away；Light collecting device projects for receiving to mix after the fluorescence and laser that fluorescent wheel reflects.
A kind of laser light-source device provided in an embodiment of the present invention is carried out in more detail with reference to the accompanying drawings and examples
Explanation.
Embodiment one
Laser light-source device provided in an embodiment of the present invention, as shown in Fig. 2, including laser array 21, fluorescent wheel 22 and light harvesting
Device 23；Wherein：
Fluorescent wheel 22 receives the laser beam incident that laser array 21 emits, as shown in figure 3, including on reflection substrate 220
Fluorescent powder area 221 and laser light scattering area 222；Wherein：Fluorescent powder area 221, for sending out fluorescence under the excitation of incident laser
And it reflects away；Laser light scattering area 222, for being scattered and reflecting away to incident laser；
Light collecting device 23 projects for receiving to mix after the fluorescence and laser that fluorescent wheel 22 reflects.
Wherein, reflection substrate refers to the substrate with reflecting surface.
Wherein, the fluorescence that fluorescent powder area 221 generates is dissipated to all directions, the surface hair of relative reflection substrate 220
Scattered fluorescence is reflected, then all fluorescence is projected along the exiting angle range of 180 degree or so from the front of fluorescent wheel.
In the light beam that laser aid 23 shown in Fig. 2 projects, the fluorescence of dotted line signal injection, what solid line signal was projected swashs
Light.
In embodiment, with the rotation of fluorescent wheel 22, incident laser is irradiated to fluorescent powder area 221 whithin a period of time, swashs
The powder that fluoresces generates fluorescence and reflects away, and laser light scattering area 222 is irradiated in a period of time, is dissipated by laser light scattering area 222
It penetrates and reflects away.
In the embodiment of the present invention, laser light-source device includes laser array 21, fluorescent wheel 22 and light collecting device 23,
In, the laser light incident that laser array 21 emits is to fluorescent wheel 22, the incident laser and fluorescent wheel received due to fluorescent wheel 22
The fluorescence sent out under the excitation of incident laser in 22, which is all reflected, to be come, that is to say, that fluorescence and laser are along fluorescent wheel 22
Front project, recycle so same light collecting device 23 can directly by the fluorescence and laser that are projected from fluorescent wheel 22 receive
Collection for the corresponding collimation of fluorescence and laser progresss and is assembled, the design of light path converting component respectively in the prior art with above-mentioned
It compares, simplifies laser light source structure, be conducive to the reduction of overall dimensions, you can realize the miniaturization of laser light-source device.Separately
Outside, by setting laser light scattering area 222 on fluorescent wheel 22, volume scattering can be carried out before to laser reflection, so as to change
The regularity of distribution of laser, from Gaussian shaped profile（Light energy Relatively centralized）Become the distribution of lambert's body（Light energy is relatively uniform）, drop
Low degree of coherence can improve the dissipation spot effect of laser.
Preferably, laser array 21 includes N（N is positive integer）Group laser.
In order to reduce the hot spot of the laser of the transmitting of laser array 21, preferably, as shown in figure 4, in laser light-source device
Further include closing light unit 24 and convex lens 25；Closing light unit 24, the laser for laser array 21 to be emitted carry out closing light；It is convex
Lens 25, for fluorescent wheel 22 will to be incident to after the laser convergence after 24 closing light of economic cooperation light unit.
Preferably, closing light unit 24 includes at least one closing light mirror；One closing light mirror at least corresponds to one group of laser.
For example, in laser light-source device shown in Fig. 4, laser array 21 includes two groups of consistent laser of light direction
Device, closing light unit 24 include two closing light mirrors, wherein, a closing light mirror corresponds to one group of laser.
For another example in laser light-source device shown in fig. 5, laser array 21 includes orthogonal two groups of light direction
Laser 211, closing light unit 24 include a closing light mirror, wherein, a closing light mirror corresponds to two groups of lasers.
Wherein, closing light mirror can be, but not limited to include polarizer and/or dichroic eyeglass.
Wherein, polarizer can export different polarity in same direction according to the difference of laser polarity.Polarizer
A kind of light of polarity can be transmitted, reflects the light of another polarity.
Wherein, every group of laser has multiple luminescence chips and collimation lens, and each collimation lens is fixed on by dispensing
On supporting rack, there is caulking gum film among collimation lens frame and laser chip frame, sealed when being compressed for being bonded, prevented outer
Portion's dust enters inside laser.Ladder lens are provided in every group of laser；The reflecting optics number that one ladder lens includes
Identical with the laser number that one group of laser includes, set-point glue groove on each loading end of ladder lens is lived by gluing
Each reflecting optics.The laser of laser transmitting in every group of laser, closing light is carried out by ladder lens.
In embodiment, what laser array 21 emitted can be monochromatic（Such as blue）Laser is excited more by the one-wavelength laser
Color fluorescence；What laser array 21 emitted can also be double-colored（Such as red and blue）Laser excites polychrome by the two-color laser
Fluorescence.Correspondingly, the color of the laser emitted according to laser array 21, needs to carry out the fluorescent powder area 221 of fluorescent wheel 22
Corresponding setting, below by illustration：
If the color of laser is blue；As shown in Figure 6 a, fluorescent powder area 221 includes green emitting phosphor area 221a, tangerine color fluorescent powder
Area 221b and yellow fluorescent powder area 221c；Alternatively, as shown in Figure 6 b, fluorescent powder area 221 includes green emitting phosphor area 221a and tangerine
Color fluorescent powder area 221b.
If the color of laser includes blue and red；As shown in Figure 7a, fluorescent powder area 221 includes green emitting phosphor area
221a and yellow fluorescent powder area 221c；Alternatively, as shown in Figure 7b, fluorescent powder area includes green emitting phosphor area 221a.
In fluorescent wheel, preferably, reflection substrate 220 is mirror-surface aluminum base board or the substrate for being coated with aluminium film.Such reflection
Substrate is respectively provided with high reaction to the light of each wavelength.
Preferably, laser light scattering area 222 is provided with the grain coating to laser light scattering.The grain coating is either to spy
Grain coating of the laser with scattering process of standing wave length or to grain coating of all band with scattering process, and also
It can be the grain coating that there is scattering process to a certain range wave band.
In implementation, above-mentioned grain coating can be, but not limited to be barium sulfate particle coating.Barium sulfate particle coating can be right
The laser of a certain range wave band has higher scattering process.
Preferably, as shown in figure 8, light collecting device 23 includes light harvesting component 231 and even smooth component 232；Wherein：
Light harvesting component 231, for collecting the laser and fluorescence of the injection of fluorescent wheel 22；
Even smooth component 232, laser and fluorescence for light harvesting component 231 to be collected project after mixing.
Preferably, as shown in figure 8, light harvesting component 231 is the reflecting curved surface with loophole 231a；Wherein, reflecting curved surface
Loophole, for through being incident to the laser of fluorescent wheel 22.
In the light collecting device of the present embodiment, reflecting curved surface can play the light of all angles converging action, and then can be with
Improve the efficiency for collecting light.Also, being incident to the laser of fluorescent wheel 22 can directly be entered by the loophole 231a on reflecting curved surface
It penetrates, without other light path converting components, occupied space is small, laser light source structure is further simplified, conducive to laser light source
The miniaturization of device.
In implementation, reflecting curved surface can be, but not limited to as ellipsoid reflecting surface；Even smooth component 232 and fluorescent wheel 22 are located at respectively
In two focuses of ellipsoid reflecting surface.
The characteristics of ellipsoid reflecting surface is：The light or the light by the focus that any one focus is sent out, through ellipsoid reflecting surface
All converge to another focus after reflection, in the present embodiment, using the feature, fluorescent wheel 22 and even smooth component 232 are located at respectively
In two focuses of ellipsoid reflecting surface so that the fluorescence or laser being emitted in the fluorescent wheel 22 of a focus, it is ellipse through this
Spherical reflector reflects post-concentration to another focus, i.e., at even smooth component 232, substantially increases the efficiency for collecting light.
It is dissipated in view of fluorescence in 180 degree, in order to preferably collect all angles sent out from 22 surface of fluorescent wheel
Light, preferably, reflecting curved surface be semielliptical reflecting surface.
Preferably, even smooth component 232 can be, but not limited to as light cone or optical wand.Light cone and optical wand can be solid glass
Glass or glass splicing housing.
In implementation, if even smooth component 232 is light cone, the light inlet of light cone is less than the light-emitting window of light cone.
As shown in figure 8, the light inlet 232a of light cone is less than the light-emitting window 232b of light cone, according to the constant original of etendue
Reason, the light beam projected from the light-emitting window 232b of light cone also are able to be compressed dispersion angle.
Embodiment two
Laser light-source device provided in this embodiment, as shown in figure 9, in addition to laser array 21, fluorescent wheel 22 and light collecting device
Other than 23, laser light-source device further includes filter wheel 26；
Filter wheel 26, as shown in Figure 10, including fluorescence filter area 261 and laser transmission area 262；Wherein fluorescence filter area 261 is used
It filters in the fluorescence projected to light collecting device 23；Laser transmission area 262 is used for the laser projected through light collecting device 23.
In the present embodiment, by the fluorescence and laser of filter wheel 26, i.e., the light source finally needed.
In embodiment, as shown in figure 9, fluorescent wheel 22 and filter wheel 26 can be coaxially disposed.In this way, to fluorescent wheel 22 and filter
Colour wheel 26 can control simultaneously, and control mode is simple, while the light for also allowing for collecting from light collecting device 23 is with light as short as possible
Road enters filter wheel 26 and carries out colour filter.
In embodiment, the circumferential area of filter wheel 26 can be more than the circumferential area of fluorescent wheel 22.It can all connect in this way
Receive the light beam with certain dispersion angle being emitted from light collecting device 23.
In implementation, the specific embodiment of laser array 21, fluorescent wheel 22 and light collecting device 23 can be found in embodiment one,
Details are not described herein again.
Certainly, in laser light-source device provided in this embodiment, closing light unit 24 and convex lens 25 can also be included, specifically
Embodiment can be found in embodiment one, and details are not described herein again.
Separately below by taking one-wavelength laser and two-color laser as an example, to laser light-source device provided in an embodiment of the present invention into
Row is explained in more detail.
Embodiment three
In the present embodiment, the color of laser is blue（That is one-wavelength laser）, laser light-source device as shown in figure 11, including swashing
Light device array 21, positioned at the closing light unit 24 of 21 light direction of laser array, positioned at the convex lens of 24 light direction of closing light unit
Mirror 25, positioned at the fluorescent wheel 22 of 25 light direction of convex lens, positioned at the light collecting device 23 of the light emission side of fluorescent wheel 22 and positioned at collection
The filter wheel 26 of the light emission side of electro-optical device 23.
Wherein, laser array 21 includes two groups of lasers；Closing light unit 24 includes two polarizers.Every group of laser
It is correspondingly arranged a polarizer respectively, to the first polarizer, second group of laser passes through the laser light incident of first group of laser transmitting
Cross the second polarizer into line direction transfer 90 degree after reach the first polarizer progress closing light.
Wherein, light collecting device 23 includes light harvesting component 231 and even smooth component 232.Light harvesting component 231 is with loophole
The semielliptical reflecting surface of 231a, even smooth component 232 are the light cone with light inlet 232a and light-emitting window 232b；The light inlet of light cone
232a and fluorescent wheel 22 are located in two focuses of semielliptical reflecting surface respectively；Also, the light inlet 232a of light cone is less than light cone
Light-emitting window 232b.
Wherein, fluorescent wheel 22 includes being located in mirror-surface aluminum base board（That is reflection substrate 220）Fluorescent powder area 221 and laser dissipate
Area 222 is penetrated, and is evenly distributed on excircle；Laser light scattering area 222 is provided with the grain coating to laser light scattering.Filter wheel
26, including fluorescence filter area 261 and laser transmission area 262, and it is evenly distributed on excircle.Fluorescent wheel 22 as shown in figure 12
With the planar structure schematic diagram of filter wheel 26：Fluorescent powder area 221 include green emitting phosphor area 221a, Ju Se fluorescent powder area 221b and
Yellow fluorescent powder area 221c；Fluorescence filter area 261 includes green color filter 261a, Red lightscreening plate 261b and yellow filter
261c；Wherein, fluorescent wheel 22 and filter wheel 26 are coaxially disposed, accordingly：Green emitting phosphor area 221a and green color filter 261a
It is correspondingly arranged；Ju Se fluorescent powders area 221b and Red lightscreening plate 261b is correspondingly arranged；Yellow fluorescent powder area 221c and Yellow filter
Piece 261c is correspondingly arranged；Laser light scattering area 222 is correspondingly arranged with laser transmission area 262.
Wherein, yellow filter 261c and laser transmission area 262 can be transparent glass.
Based on the structure of more than laser light-source device, fluorescent wheel 22 and 26 synchronous rotary of filter wheel, laser array 21 are sent out
The blue laser penetrated is lighted always, and for blue laser after 24 closing light of closing light unit, planoconvex lens 25 are incident to fluorescence after assembling
Wheel 22, with the rotation of fluorescent wheel 22, incident laser is irradiated to fluorescent powder area 221 whithin a period of time, and excitated fluorescent powder generates
Fluorescence（Including green, tangerine color, yellow fluorescence）And reflect away, and laser light scattering area 222 is irradiated in a period of time, by laser
Fringe area 222 is scattered and is reflected away.Semielliptical reflecting surface receives the fluorescence that fluorescent wheel 22 projects and laser back reflection to light cone
Light inlet 231a, light cone is by the fluorescence from semielliptical reflective surface and laser after mixing from the light-emitting window of light cone
231b is projected to filter wheel 26.In filter wheel 26, green color filter 261a is obtained by filtration green light, and Red lightscreening plate 261b is from tangerine
Feux rouges is obtained by filtration in color fluorescence, yellow light is obtained by filtration in yellow filter 261c, and laser transmission area penetrates blue light.Thus, from filter
What colour wheel 26 projected is green light, feux rouges, blue light and yellow light four primary, is conducive to improve colour gamut.
Example IV
In the present embodiment, the color of laser includes blue and red（That is two-color laser）；On the basis of embodiment three, to glimmering
Halo 22 and filter wheel 26 are improved, as shown in fig. 13 that the planar structure schematic diagram of fluorescent wheel 22 and filter wheel 26：It is glimmering
Guang Fen areas 221 include green emitting phosphor area 221a and yellow fluorescent powder area 221c；Fluorescence filter area 261 includes green color filter
261a and yellow filter 261c；Fluorescent wheel 22 and filter wheel 26 are coaxially disposed, accordingly：Green emitting phosphor area 221a and green
Optical filter 261a is correspondingly arranged；Yellow fluorescent powder area 221c is correspondingly arranged with yellow filter 261c；Laser light scattering area 222 is with swashing
Transmitance region 262 is correspondingly arranged.
In the present embodiment, it can suitably increase the section in laser light scattering area 222 and the section of laser transmission area 262.And
And in laser light scattering area 222, the different grain coatings for blue laser and red laser can be set respectively, it can also
Same grain coating is only set.
Based on the structure of more than laser light-source device, the synchronous rotary of fluorescent wheel 22 and filter wheel 26, when fluorescent wheel 22 revolves
Go in the range of 221 sections of fluorescent powder area and the laser light scattering area 222 of blue, blue laser is lighted, when fluorescent wheel 22 rotate to
During the laser light scattering area 222 of red, red laser is lighted.Finally, projected from filter wheel 26 and green light, feux rouges, blue light
With yellow light four primary, be conducive to improve colour gamut.
It should be noted that in embodiment three and example IV, yellow fluorescent powder area 221c can not also be set, only exported
Green, red and blue three primary colours.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (16)
1. a kind of laser light-source device, which is characterized in that including laser array, fluorescent wheel, filter wheel and light collecting device；
The fluorescent wheel includes reflection substrate, fluorescent powder area and laser light scattering area, the fluorescent powder area and the laser light scattering area
On the reflection substrate；The incident laser that the laser array is sent out is irradiated to the fluorescent powder area whithin a period of time
Excitated fluorescent powder generates fluorescence and reflects away, and the laser light scattering area is irradiated in a period of time by the laser light scattering area
It scatters and reflects away；
The light collecting device includes light harvesting component and even smooth component；The light harvesting component includes the ellipsoid with loophole and reflects
Face, for collecting the laser and fluorescence that the fluorescent wheel projects；The loophole be used for through be incident to fluorescent wheel it is described enter
Penetrate laser；The even smooth component, laser and fluorescence for the light harvesting component to be collected project after mixing；
The filter wheel includes fluorescence filter area and laser transmission area；The fluorescence filter area is used to project the light collecting device
Fluorescence filter；The laser transmission area is used for the laser projected through the light collecting device；
The fluorescent wheel is coaxially disposed with the filter wheel, and the circumferential area of the filter wheel is more than the circumference of the fluorescent wheel
Area.
2. laser light-source device according to claim 1, which is characterized in that the even smooth component and fluorescent wheel difference
In two focuses of the ellipsoid reflecting surface.
3. laser light-source device according to claim 1, which is characterized in that the ellipsoid reflecting surface is additionally operable to will be described glimmering
The fluorescence or laser reflection post-concentration of halo outgoing are to the even smooth component.
4. laser light-source device according to claim 2, which is characterized in that the even smooth component is light cone or optical wand.
5. laser light-source device according to claim 1, which is characterized in that the laser light scattering area, which is provided with, dissipates laser
The grain coating penetrated.
6. according to claim 1 ~ 5 any one of them laser light-source device, which is characterized in that the laser array sends out indigo plant
Color laser；
The fluorescence filter area includes Red lightscreening plate, green color filter；Wherein, the Red lightscreening plate is used for from tangerine color fluorescence
In be obtained by filtration feux rouges, the green color filter from fluorescence for being obtained by filtration green light, and the laser transmission area is for penetrating
Blue light.
7. a kind of laser light-source device, which is characterized in that described including laser array, fluorescent wheel, filter wheel and light collecting device
Laser array sends out blue laser；
The fluorescent wheel includes fluorescent powder area and laser light scattering area, and the fluorescent powder area includes Ju Se fluorescent powders area, green fluorescence
Powder area；The fluorescent powder area is irradiated with the blue laser that the laser light scattering area is sent out successively by the laser array；Wherein,
The fluorescent powder area is used to send out fluorescence under the excitation of the blue laser and reflect away；The laser light scattering area for pair
The blue laser is scattered and reflects away；
The light collecting device includes light harvesting component and even smooth component；The light harvesting component includes the ellipsoid with loophole and reflects
Face, for collecting the laser and fluorescence that the fluorescent wheel projects；The loophole be used for through be incident to fluorescent wheel it is described enter
Penetrate laser；The even smooth component is used for the laser for collecting the light harvesting component and fluorescence projects after mixing；
The filter wheel includes fluorescence filter area and laser transmission area；The fluorescence filter area is used to project the light collecting device
Fluorescence filter, the laser transmission area be used for through the light collecting device project laser；
The fluorescence filter area includes Red lightscreening plate, green color filter, the Ju Se fluorescent powders area and the Red lightscreening plate
It is correspondingly arranged, the green emitting phosphor area is correspondingly arranged with the green color filter.
8. laser light-source device according to claim 7, which is characterized in that the even smooth component and fluorescent wheel difference
In two focuses of the ellipsoid reflecting surface.
9. laser light-source device according to claim 8, which is characterized in that the even smooth component is light cone or optical wand.
10. according to claim 7 ~ 9 any one of them laser light-source device, which is characterized in that the yellow filter is used for
Yellow light is obtained by filtration from fluorescence, the Red lightscreening plate is used to that feux rouges, the green filter to be obtained by filtration from tangerine color fluorescence
For green light to be obtained by filtration from fluorescence, the laser transmission area is used for through blue light piece.
11. laser light-source device according to claim 10, which is characterized in that the fluorescent wheel and the filter wheel are coaxial
Setting, and the circumferential area of the filter wheel is more than the circumferential area of the fluorescent wheel.
12. a kind of laser light-source device, which is characterized in that including laser array, fluorescent wheel, filter wheel and light collecting device, institute
It is blue and red to state the incident laser that laser array is sent out；
The fluorescent wheel includes fluorescent powder area and laser light scattering area, and the fluorescent powder area includes green emitting phosphor area；The laser
The incident laser that device array is sent out is irradiated to fluorescent powder area excitated fluorescent powder and generates fluorescence and reflect whithin a period of time
It goes, and the laser light scattering area is irradiated in a period of time and is scattered and is reflected away by the laser light scattering area；
The light collecting device includes light harvesting component and even smooth component；The light harvesting component includes the ellipsoid with loophole and reflects
Face, for collecting the laser and fluorescence that the fluorescent wheel projects；The loophole be used for through be incident to fluorescent wheel it is described enter
Penetrate laser；The even smooth component, laser and fluorescence for the light harvesting component to be collected project after mixing；
The filter wheel includes fluorescence filter area and laser transmission area；The fluorescence filter area is used to project the light collecting device
Fluorescence filter；The laser transmission area is used for the laser projected through the light collecting device；
The fluorescence filter area includes green color filter, and the green emitting phosphor area is correspondingly arranged with the green color filter, institute
Laser light scattering area is stated to be correspondingly arranged with the laser transmission area.
13. laser light-source device according to claim 12, which is characterized in that the even smooth component and the fluorescent wheel point
It Wei Yu not be in two focuses of the ellipsoid reflecting surface.
14. laser light-source device according to claim 13, which is characterized in that the ellipsoid reflecting surface is additionally operable to will be described
The fluorescence or laser reflection post-concentration of fluorescent wheel outgoing are to the even smooth component.
15. according to claim 12 ~ 14 any one of them laser light-source device, which is characterized in that the green color filter is used
In green light is obtained by filtration from fluorescence, the laser transmission area is used for the laser projected through the light collecting device.
16. laser light-source device according to claim 15, which is characterized in that the fluorescent wheel and the filter wheel are coaxial
Setting, and the circumferential area of the filter wheel is more than the circumferential area of the fluorescent wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047805.XA CN108267919A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108241.7A CN105589287B (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047805.XA CN108267919A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108241.7A Division CN105589287B (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108267919A true CN108267919A (en) | 2018-07-10 |
Family
ID=55928971
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108241.7A Active CN105589287B (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047819.1A Withdrawn CN108255007A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047818.7A Withdrawn CN108267920A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047786.0A Pending CN108563088A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047805.XA Withdrawn CN108267919A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108241.7A Active CN105589287B (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047819.1A Withdrawn CN108255007A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047818.7A Withdrawn CN108267920A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
| CN201810047786.0A Pending CN108563088A (en) | 2016-02-26 | 2016-02-26 | A kind of laser light-source device |
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| CN (5) | CN105589287B (en) |
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| CN107885021A (en) * | 2016-09-30 | 2018-04-06 | 海信集团有限公司 | A kind of LASER Light Source and laser projection device |
| CN106918544A (en) * | 2017-03-29 | 2017-07-04 | 中国科学院苏州生物医学工程技术研究所 | A kind of flow cytometer showed instrument system based on fluorescence excitation light source |
| CN109426056A (en) * | 2017-09-01 | 2019-03-05 | 海信集团有限公司 | Colour wheel, laser projection light source and laser projection device |
| CN109358467B (en) * | 2018-11-16 | 2023-01-10 | 青岛海信激光显示股份有限公司 | Laser light source, light source mode switching method and laser projection equipment |
| CN111198410B (en) * | 2018-11-19 | 2022-08-12 | 深圳光峰科技股份有限公司 | Scattering element, light source system and display device |
| CN111352287A (en) * | 2018-12-24 | 2020-06-30 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
| WO2020155699A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛海信激光显示股份有限公司 | Laser light source apparatus and laser projection device |
| CN116224698A (en) | 2021-12-02 | 2023-06-06 | 苏州佳世达光电有限公司 | Light source system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105589287B (en) | 2018-02-23 |
| CN105589287A (en) | 2016-05-18 |
| CN108255007A (en) | 2018-07-06 |
| CN108267920A (en) | 2018-07-10 |
| CN108563088A (en) | 2018-09-21 |
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Application publication date: 20180710 |